[GHC] #11140: add command-line option to GHC to dump raw parse trees of Haskell programs

[Alan & Kim Zimmerman]

I'm with mpickering on this one. Each stage has a debug format that makes
sense for the stage.  For parsing it is the exact ast

Alan

On 18 May 2016 12:43 PM, "GHC" <ghc-devs at haskell.org> wrote:

> #11140: add command-line option to GHC to dump raw parse trees of Haskell
> programs
> -------------------------------------+-------------------------------------
>         Reporter:  bollu             |                Owner:
>             Type:  feature request   |               Status:  new
>         Priority:  low               |            Milestone:
>        Component:  Compiler          |              Version:  7.10.2
>       Resolution:                    |             Keywords:
> Operating System:  Unknown/Multiple  |         Architecture:
>                                      |  Unknown/Multiple
>  Type of failure:  None/Unknown      |            Test Case:
>       Blocked By:                    |             Blocking:
>  Related Tickets:                    |  Differential Rev(s):
>        Wiki Page:                    |
> -------------------------------------+-------------------------------------
>
> Comment (by mpickering):
>
>  That is true but by them stages in the compilation pipeline you don't care
>  about what the raw format looks like. When modifying the parser  you need
>  to know the precise structure of the AST rather than some pretty printed
>  version produced by `Outputtable`.
>
> --
> Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11140#comment:6>
> GHC <http://www.haskell.org/ghc/>
> The Glasgow Haskell Compiler
>
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